Tea cup



FIG. 1 is a top, side and front perspective view of a tea cup showing the new design;

FIG. 2 is a right side elevation view thereof, the left side elevation view being a mirror image thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a tea cup, as shown and described. 